WYNEKEN, Jeanette; KELSO, Kate; NGUYEN, Thinh: Range of Movement, Morphological Constraint, and Swimming Performnace in Marine Turtle Flippers. The swimming of sea turtles is distinct from that of other living turtle taxa. The primary stroke used during cruising is the powerstroke or subaqueous flight. This stroke has large dorso-ventral and medio-lateral components. The sea turtle […]
sessions: Session 14
Locomotion in juvenile turtles effects of size on hindlimb kinematics and muscle function
BLOB, R.W.*; SCANGA, E.L.; WESTNEAT, M.W.: Locomotion in juvenile turtles: effects of size on hindlimb kinematics and muscle function Juvenile animals may experience different locomotor forces than adults because they are smaller and can have different body proportions. Consequently, limb kinematics and motor patterns might change dramatically as animals grow. We tested for size-correlated changes […]
Gait transition speed, pectoral fin beat frequency, and amplitude in three species of surfperch (Embiotocidae)
MUSSI, M.*; SUMMERS, A. P.; DOMENICI, P.: Gait transition speed, pectoral fin beat frequency, and amplitude in three species of surfperch (Embiotocidae). The swimming performance of fishes is related to several properties: the body form and surface texture, as well as the size of the animal, fin shape, beat frequency and amplitude of the pectoral […]
Do endangered razorback suckers have poor larval escape performance relative to introduced cold-water fishes
WESP, H. M.; GIBB, A. C.*: Do endangered razorback suckers have poor larval escape performance relative to introduced cold-water fishes? The escape responses of the razorback sucker, Xyrauchen texanus, and the rainbow trout, Oncorhynchus mykiss, were studied from the post-hatching larval stage to the early juvenile stage. Both species were reared and tested at 18 […]
Swimming in jellyfish (Aurelia aurita) ontogenetic scaling of morphology, motion and mechanics
MCHENRY, M.J.; Harvard Univ.: Swimming in jellyfish (Aurelia aurita): ontogenetic scaling of morphology, motion and mechanics. Many aquatic animals change their body shape as they grow larger and it is unclear how such change influences swimming performance. The scyphozoan jellyfish Aurelia aurita increases its mass by as much as three orders of magnitude in a […]
Respirometry across the gait transition in a labriform swimmer (Embiotoca lateralis)
SCHAEFER*, Justin T; CANNAS, Marcella; STEFFENSEN, John F; Univ. of California, Irvine; International Marine Center, Oristano Italy; Univ. of Copenhagen: Respirometry across the gait transition in a labriform swimmer (Embiotoca lateralis) Gait transition, a speed-dependent change of swimming modes, has been described in several species of fish and for different modes of swimming. Labriform swimmers […]
Locomotor hydrodynamics in dogfish (Squalus acanthias) function of the heterocercal tail and pectoral fins
WILGA, C.D.; LAUDER, G.V.*; Univ. of Rhode Island; Harvard University, Cambridge, MA: Locomotor hydrodynamics in dogfish (Squalus acanthias): function of the heterocercal tail and pectoral fins The hydrodynamic function of the heterocercal caudal fin and pectoral fins in the spiny dogfish Squalus acanthias was studied with high-resolution Digital Particle Image Velocimetry (DPIV). Wake flow patterns […]
Kinematics and wake structure of steadily swimming eels (Anguilla rostrata)
TYTELL, E.D.*; LAUDER, G.V.; Harvard University: Kinematics and wake structure of steadily swimming eels (Anguilla rostrata) Swimming kinematics and wake flow fields of steadily swimming eels (Anguilla rostrata) were characterized using high-speed video and high-resolution digital particle image velocimetry (DPIV) to examine three previous wake flow models: a global circulation model based on computational results, […]
Functional morphology and phylogeny within the littoral marine amphipod family Hyalidae
BOUSFIELD, E.L.*; HENDRYCKS, E.A.; Royal Ontario Museum, Toronto; Canadian Museum of Nature, Ottawa: Functional morphology and phylogeny within the littoral marine amphipod family Hyalidae Amphipod family Hyalidae, the most primitive of 10 families within superfamily Talitroidea, encompasses about 50 mostly newly described species in the North Pacific Basin and about 110 species in 12 genera […]
Are strikes and startles similar Kinematics and EMGs of S-start escape and feeding in northern pike
SCHRIEFER, J.E. *; HALE, M.E.; Univ. of Chicago; Univ. of Chicago: Are strikes and startles similar? Kinematics and EMGs of S-start escape and feeding in northern pike. S-start behaviors of fishes have been shown to function in both escape startles and feeding strikes. We examine S-start behaviors and muscle activity patterns to compare the motor […]